Air pollution poses a threat to the health of 154 mn Americans or more than half of US population.Apr 28, 2011, 09:20 AM IST
Kashmir Valley, which witnessed
unrest for past one week, saw a relatively peaceful day today
with only small protests being held at five different places
in which one person was injured.
US researchers have created a primitive artificial lung that rats used to breathe for several hours.Jul 14, 2010, 14:31 PM IST